The fixed income markets are currently anticipating lower inflation in the future and potentialy led funds interest rat cuts. If the current $1-$ year Treasury yield is $5\mathrm{.}25\%$ and the $1-$year Treasury vield one year from now is $400\%$ Wing the expectations theory determine what the current $2-$year Treasury yield

a$.4\mathrm{.}63\%$

b$.5\mathrm{.}08\%$

c$.5\mathrm{.}33\%$

d$.4\mathrm{.}25\%$